Răspuns:
a) ⁵2/3, ³3/5, ¹4/15
10/15 9/15, 4/15
b) ¹7/12, ⁴1/3, ²5/6
7/12, 4/12, 10/12
c) ⁶3/4, ⁴1/6, ³5/8
18/24, 4/24, 15/24
d) ³⁶5/25, ²⁵7/36, ¹⁰11/90
180/900, 175/900, 110/900
e) ⁸7/45, ⁶11/60, ⁹3/40
56/360, 66/360, 27/360
f) ⁶11/42, ⁷5/36, ⁴1/63
66/252, 35/252, 4/252
